English

A Characterization of Semisimple Plane Polynomial Automorphisms

Algebraic Geometry 2008-04-24 v2 Commutative Algebra Group Theory

Abstract

It is well-known that an element of the linear group GLn(\C){\rm GL}_n(\C) is semisimple if and only if its conjugacy class is Zariski closed. The aim of this paper is to show that the same result holds for the group of complex plane polynomial automorphisms.

Keywords

Cite

@article{arxiv.0804.2157,
  title  = {A Characterization of Semisimple Plane Polynomial Automorphisms},
  author = {Jean-Philippe Furter and Stefan Maubach},
  journal= {arXiv preprint arXiv:0804.2157},
  year   = {2008}
}

Comments

15 pages; (v2): added the word "Automorphism" in the title (which was forgotten)

R2 v1 2026-06-21T10:30:30.900Z